using System;
using System.Collections.Generic;
using System.Linq;
using MySystem.PxcModels;
using Library;
using LitJson;

namespace MySystem
{
    public class AlipayPayBack2Service
    {
        public readonly static AlipayPayBack2Service Instance = new AlipayPayBack2Service();
        private AlipayPayBack2Service()
        { }

        public void Start(JobMqMsg jobInfo)
        {
            string content = "";
            try
            {
                dosomething();
                string Msg = "success";
                jobInfo.Status = Msg == "success" ? 1 : 0;
                jobInfo.Msg = Msg == "success" ? "执行完成" : Msg;
                RabbitMQClient.Instance.SendMsg(Newtonsoft.Json.JsonConvert.SerializeObject(jobInfo), "PublicBack");
            }
            catch (Exception ex)
            {
                if (!string.IsNullOrEmpty(content))
                {
                    Dictionary<string, string> data = new Dictionary<string, string>();
                    data.Add("ErrTime", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
                    data.Add("ErrMsg", ex.ToString());
                    function.WriteLog(Newtonsoft.Json.JsonConvert.SerializeObject(data), "public_err");
                }
                else
                {
                    function.WriteLog(DateTime.Now.ToString() + ":" + ex.ToString(), "public_service");
                }
            }
        }

        private void dosomething()
        { 
            bool op = true;
            while (op)
            {
                string content = RedisDbconn.Instance.RPop<string>("PayCallBack2");
                if (!string.IsNullOrEmpty(content))
                {
                    JsonData jsonObj = JsonMapper.ToObject(content);
                    string OrderNo = jsonObj["out_trade_no"].ToString();
                    string TradeNo = jsonObj["transaction_id"].ToString();
                    decimal TotalFee = decimal.Parse(function.CheckNum(jsonObj["total_fee"].ToString()));
                    WebCMSEntities db = new WebCMSEntities();
                    OrderForNo forNo = db.OrderForNo.FirstOrDefault(m => m.OrderNo == OrderNo);
                    if (forNo != null)
                    {
                        string[] ids = forNo.OrderIds.Split(',');
                        foreach (string idString in ids)
                        {
                            int OrderId = int.Parse(idString);
                            Orders order = db.Orders.FirstOrDefault(m => m.Id == OrderId && m.Status == 0);
                            if (order != null)
                            {
                                order.Status = 1;
                                order.PayDate = DateTime.Now;
                                order.PayStatus = 1;
                                db.SaveChanges();
                                RedisDbconn.Instance.Set("Orders:" + order.Id, order);

                                OrderProduct pro = db.OrderProduct.FirstOrDefault(m => m.OrderId == OrderId);
                                if (pro != null)
                                {
                                    KqProducts brand = db.KqProducts.FirstOrDefault(m => m.Sort == pro.ProductId);
                                    if (brand != null)
                                    {
                                        int BuyCount = pro.ProductCount;
                                        int Kind = 0;
                                        if(pro.ProductPrice == 200) Kind = 1;
                                        if(pro.ProductPrice == 300) Kind = 2;
                                        string Codes = "";
                                        var coupons = db.PosCoupons.Where(m => m.IsLock == 0 && m.IsUse == 0 && m.UserId == 0 && m.QueryCount == Kind).OrderBy(m => m.Id).Take(BuyCount).ToList();
                                        foreach (var coupon in coupons)
                                        {
                                            PosCoupons item = db.PosCoupons.FirstOrDefault(m => m.Id == coupon.Id);
                                            if (item != null)
                                            {
                                                item.CreateDate = DateTime.Now;
                                                item.UserId = order.UserId;
                                                item.UpdateDate = DateTime.Now.AddDays(180);
                                                Codes += item.ExchangeCode + ",";
                                            }
                                        }
                                        order.SnNos = Codes.TrimEnd(',');
                                        string ChangeRecordNo = "SC" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + function.get_Random(8);
                                        PosCouponForUser forUser = db.PosCouponForUser.FirstOrDefault(m => m.Id == order.UserId);
                                        if (forUser == null)
                                        {
                                            forUser = db.PosCouponForUser.Add(new PosCouponForUser()
                                            {
                                                Id = order.UserId,
                                            }).Entity;
                                            db.SaveChanges();
                                        }
                                        int BeforeOut = forUser.OutNum;
                                        int BeforeTotal = forUser.TotalNum;
                                        int BeforeStock = forUser.StockNum;
                                        forUser.OutNum += BuyCount;
                                        forUser.StockNum -= BuyCount;
                                        int AfterOut = forUser.OutNum;
                                        int AfterTotal = forUser.TotalNum;
                                        int AfterStock = forUser.StockNum;
                                        PosCouponOrders stat = db.PosCouponOrders.Add(new PosCouponOrders()
                                        {
                                            QueryCount = Kind,
                                            CreateDate = DateTime.Now,
                                            ChangeKind = 2,
                                            ChangeCount = BuyCount,
                                            AfterOut = AfterOut,
                                            AfterTotal = AfterTotal,
                                            AfterStock = AfterStock,
                                            BeforeOut = BeforeOut,
                                            BeforeTotal = BeforeTotal,
                                            BeforeStock = BeforeStock,
                                            OrderNo = ChangeRecordNo,
                                            ToUserId = order.UserId,
                                            FromUserId = 0,
                                        }).Entity;
                                        db.SaveChanges();
                                        RedisDbconn.Instance.Clear("Orders:" + order.Id);
                                    }
                                }
                            }
                        }
                    }
                    db.Dispose();
                }
                else
                {
                    op = false;
                }
            }
        }
    }
}